One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,3)(5,6)(7,12)(8,16)(9,11)(10,14)(13,15)(17,19)(18,20)(21,22)(23,26)(24,27)(25,28)(29,36)(30,34)(31,33)(32,35)(1,3,4,2)(6,11)(7,9)(8,17)(12,14)(13,19)(16,20)(21,23,24,30)(22,26,27,34)(25,29,32,31)(28,36,35,33)(2,3)(5,7,10,9)(6,12,14,11)(8,15,17,18)(13,19,20,16)(22,27)(23,29)(25,32)(26,33)(30,31)(34,36)(5,8,10,17)(6,13,14,20)(7,15,9,18)(11,16,12,19)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.